Reforming with platinum-rhenium-selenium catalysts
    1.
    发明授权
    Reforming with platinum-rhenium-selenium catalysts 失效
    用铂 - 铑 - 硒催化剂改性

    公开(公告)号:US3884799A

    公开(公告)日:1975-05-20

    申请号:US31413372

    申请日:1972-12-11

    CPC classification number: C10G35/09 B01J27/0573 B01J37/22

    Abstract: A novel catalytic composition comprises a Group VIII metal, rhenium, and selenium deposited on a solid catalytic support comprising a refractory inorganic oxide. The preferred Group VIII metal is platinum and the preferred inorganic oxide is catalytically active alumina. This catalyst may be used in a process for reforming petroleum hydrocarbon fractions. The reforming process comprises contacting a petroleum hydrocarbon fraction in a reforming zone under reforming conditions and in the presence of hydrogen with the novel catalyst to obtain high octane blending components. In this process, the catalyst need not receive a sulfur pretreatment either prior to initial operation or after each regeneration of the catalyst. Advantageously, neither sulfiding of the catalyst nor sulfur distribution on the catalyst need be considered.

    Reforming with catalysts containing a group VIA metal component and technetium as a promoter
    4.
    发明授权
    Reforming with catalysts containing a group VIA metal component and technetium as a promoter 失效
    用含VIA金属组分和锝作为助催化剂的催化剂重整

    公开(公告)号:US3893908A

    公开(公告)日:1975-07-08

    申请号:US45135774

    申请日:1974-03-15

    CPC classification number: B01J23/32 B01J23/22 B01J23/6565 C10G35/06 C10G35/09

    Abstract: There is provided a process for the reforming of a petroleum hydrocarbon stream, which process comprises contacting said hydrocarbon stream in a reforming zone under suitable reforming conditions and in the presence of hydrogen with a catalyst comprising a component having hydrogenation-dehydrogenation activity and dehydrocyclization activity, a suitable support, and as a promoter a small amount of technetium. The support may comprise alumina and the component having hydrogenationdehydrogenation activity and dehydrocyclization activity may be a member selected from the group consisting of one or more metals of Group VIA, compounds of one or more metals of Group VIA, and combinations thereof. The preferred Group VIA metal is chromium. The catalyst may comprise also a second member selected from the group consisting of an oxide of an alkali metal, an oxide of alkaline earth metal, and mixtures thereof.

    Abstract translation: 提供了一种用于重整石油烃流的方法,该方法包括在合适的重整条件下和氢气存在下使所述烃流在重整区中与包含具有氢化 - 脱氢活性和脱氢环化活性的组分的催化剂接触, 合适的支持,并作为促进剂少量的锝。 载体可以包含氧化铝,并且具有氢化 - 脱氢活性的组分和脱氢环化活性可以是选自一种或多种VIA族金属,VIA族的一种或多种金属化合物及其组合的成员。 优选的VIA族金属是铬。 催化剂还可以包含选自碱金属氧化物,碱土金属氧化物及其混合物的第二成员。

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